public static Rover CreateRover(string definition)
{
if (string.IsNullOrEmpty(definition))
{
throw new Exception("Definition of rover is empty.");
}
var coordinatesAndcardinal = definition.Split(' ');
if (coordinatesAndcardinal.Length != 3)
{
throw new Exception("Definition of rover not properly formatted.");
}
Coordinates coordinates;
ICardinal cardinal;
try
{
coordinates = new Coordinates(Convert.ToInt32(coordinatesAndcardinal[0]), Convert.ToInt32(coordinatesAndcardinal[1]));
cardinal = CardinalFactory.GetCardinal(coordinatesAndcardinal[2]);
}
catch (Exception ex)
{
throw new Exception("Bad definition.", ex);
}
var rover = new Rover();
rover.Init(coordinates, cardinal);
return(rover);
}
public void RotateRight()
{
cardinal = cardinal.RotateRight();
}
public void RotateLeft()
{
cardinal = cardinal.RotateLeft();
}
public void Init(Coordinates coordinates, ICardinal cardinal)
{
this.coordinates = coordinates;
this.cardinal = cardinal;
}
public Rover()
{
cardinal = new NoCardinal();
}